Welcome to LookChem.com Sign In|Join Free

CAS

  • or

303054-03-7

Post Buying Request

303054-03-7 Suppliers

Recommended suppliersmore

  • Product
  • FOB Price
  • Min.Order
  • Supply Ability
  • Supplier
  • Contact Supplier

303054-03-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 303054-03-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,3,0,5 and 4 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 303054-03:
(8*3)+(7*0)+(6*3)+(5*0)+(4*5)+(3*4)+(2*0)+(1*3)=77
77 % 10 = 7
So 303054-03-7 is a valid CAS Registry Number.

303054-03-7Downstream Products

303054-03-7Relevant articles and documents

Synthesis and antibacterial activity of new arylamido derivatives of 6β-aminopenicillanic, 7β-aminocephalosporanic and 7β-amino- desacetoxycephalosporanic Acids

Kaloyanov, Nikolay,Stoyanova, Rossitza

, p. 652 - 655 (2007/10/03)

New semisynthetic penicillins and cephalosporins have been synthesized by acylation of 6β-aminopenicillanic, 7β-aminocephalosporanic and 7β- aminodesacetoxycephalosporanic acids with ortho-substituted aromatic acids, using the method of mixed anhydrides.

Post a RFQ

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

1

What can I do for you?
Get Best Price

Get Best Price for 303054-03-7